Men sort themselves within status hierarchies. Som...  ...of these hierarchies are more likely to have more sexual partners. Although this assumption might be true...  ...cticing generally had a greater desire for casual sex than those who spent less time practicing. But, P...  ...ful than lower-skilled players...

You might look at the conclusion of a research stu...  ...Christmas.The analysis revealed that interest in sex peaks significantly during major cultural or reli...  ...tions—based upon a greater use of the word " sex " or other sexual terms in web searches. These peaks bro...

[https://youtu.be/llsemcrCFzA] (YouTube link)Contr...  ...ing issue that caused them to stop with just the " sex " left showing. A village administrator said he be...

Have you ever wondered which countries are the mos...  ...ve you ever wondered which countries are the most sexually active? Or which people are the most likely to pu...

From misogynists to sex addicts, dictators are obviously unbalanced peopl...  ...ctators are obviously unbalanced people and their sex lives only serve to prove how unhinged they are....  ...ou can learn about ten dictators and their torrid sex lives. For example, even though Mu...

A fight breaks out when a husband comes home and finds his wife with another penguin. pic.twitter.com/9ejYGcJ5TJ— Nat Geo Channel (@NatGeoChannel) November 4, 2016 Penguins are generally monogamous, but not always...

(Video Link)Finding a ready and willing sexual partner isn't easy, but when you do, it's sometim...

Gene sequencing the last few years has yielded ama...  ...anderthals.(Image credit: Smithsonian Institution) Sex between the two species could have happened in ma...  ...know and don’t know about human-Neanderthal sex at Vox. -via Digg

With all the controversy around the transgendered...  ...through animals acting like members of the other sex (like garter snakes) or actually changing gender...

(Unrelated photo by James Jones)16 and Pregnant? N...  ...anic populations.Why? Scholars says that improved sex education and access to contraception has helped....  ...ntraception has helped. But teens are also having sex less. The Washington Post explains:“There h...  ...in the past 20 years, and the ide...